CVE-2026-110105: B3log Symphony through 3.6.4 Missing Authorization in Admin Console Routes

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-13 · updated 2026-10-26
Weakness: CWE-862

Description

B3log Symphony through 3.6.4 contains a missing authorization vulnerability that allows unauthenticated attackers to reach admin routes because PermissionMidware.check permits routes lacking permission.rule.url entries. Attackers can request /admin/report/ignore/{reportId}, /admin/tags/remove-unused, or /admin/user/{userId}/init-point to ignore reports, delete unused tags, or grant points without audit logging.

Affected products

b3log Symphony: through 3.6.4

References

https://github.com/88250/symphony
https://github.com/88250/symphony/blob/827a7dd8b74316aa62f370f893a8382a8b45ba0f/src/main/java/org/b3log/symphony/processor/AdminProcessor.java#L316-L386
https://github.com/88250/symphony/blob/827a7dd8b74316aa62f370f893a8382a8b45ba0f/src/main/java/org/b3log/symphony/processor/middleware/PermissionMidware.java#L94-L97
https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/b3log-symphony-admin-endpoints-missing-authorization
https://www.vulncheck.com/advisories/b3log-symphony-through-3.6.4-missing-authorization-in-admin-console-routes
https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/b3log-symphony-admin-endpoints-missing-authorization

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